Category: Specialty Skill Assessment

Q8. What is the action of hydrochlorothiazide?

A. It is a prominent vasodilator.

B. It causes loss of sodium in the renal filtrate causing hyponatremia that reduces blood osmolarity.

C. Water loss in the urine decreases blood volume which lowers systemic blood pressure.

D. It causes loss of potassium and water loss to decrease blood pressure.



Answer :

Final answer:

Hydrochlorothiazide acts as a vasodilator and decreases blood pressure by reducing sodium reabsorption in the kidneys.


Explanation:

Hydrochlorothiazide decreases blood pressure by acting as a vasodilator and increasing glomerular filtration rate. It works by decreasing sodium reabsorption in the kidneys, which reduces blood volume and pressure.


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